How does loneliness work? What sometimes makes friendships complicated for autistic people? And why can the school building be such an unpleasant place for some pupils? Pupils explored this during their pre-university classes. 'I now have a good idea of what studying psychology entails.'

For the next couple of years, Joris van der Voet, Associate Professor and researcher at the Institute for Public Administration will be heading a research project on top-level bureaucrats and how they go about making choices and prioritizing issues. He has been awarded a Vidi grant by the Dutch Research…

Even with state-of-the-art technology, it is almost impossible to see: a cosmic neutrino. Yet scientists have managed to image this particle with a deep-sea telescope. And that could help to better understand our universe. Leiden particle physicists collaborated on this ambitious project, published…

How do you recount historic events if you are not allowed to talk about them? For his dissertation, Taufiq Hanafi tried to find out how a period of mass murder – despite heavy censorship – found a place in Indonesian literature. PhD defence 31 March.

Defending your PhD research in front of nearly 300 elementary school students: that was the challenge faced by PhD candidates Jo-Anne Verschoor and Marinka de Willigen during the VUURVLIEGEN competition organised by the Centrum JongerenCommunicatie Chemie (C3). After an exciting competition, the children…

According to Law student Jasmijn van Lochem, you can learn a lot in seven months. For the ‘Onderzoeksassistent’ (Research Assistant) course, part of the Honours College Law, she conducted research on the African Court on Human and Peoples’ Rights in collaboration with Misha Plagis, Assistant Professor…

What does it sound like when you create your own words in Chichewa? Can you decipher hieroglyphs after just one workshop? Visitors found answers to these and many other questions during the first edition of the Evening of Languages, held in the brand-new Herta Mohr Building. With a sold-out programme,…

Students and staff from Leiden University are protesting in The Hague on 25 November against the billions in cuts to higher education. ‘The cuts are a terrible idea and we want to show why’, says Claire Weeda from WOinActie. ‘Research and teaching are essential to society.’

Seger Kersbergen studied the Cabo Verdean nightlife in Rotterdam. He explains how their music describes their nightlife and daily lives.

Leiden University publishes the highest percentage of preprints in the Netherlands. Why is that and why post your article online before it has been peer reviewed? Professor of Quantitative Science Studies and keen preprint poster Ludo Waltman explains.

In September, the Una Europa ELSEA project, Enhancing Scholarship in Eastern Africa, officially started. Now that the project has been running for a couple of months, it’s high time to check in and see how the project is going.

A special find has been made in the Alkmaar Regional Archive: a number of 17th-century book bindings contained pieces of parchment from a manuscript from the 11th century. The original manuscript may have belonged to a princess who fled England after the Norman Conquest.

What exactly does it mean when your doctor says you have a ‘good chance’ of survival? Leiden researchers discovered that there is a big difference in how people interpret such probability phrases. And that can be a problem, warns lead researcher Sanne Willems in her blog post.

Five Leiden researchers have been awarded a Consolidator Grant by the European Research Council (ERC). This grant of up to two million euros will enable them to continue and expand their scientific research.

In academia, the mention of Wikipedia might be met with suspicion. However, for Tsolin Nalbantian, university lecturer Modern Middle Eastern Studies, the encyclopedia is an opportunity to broaden the skills of her students and to increase public knowledge. She received a Teaching Comenius Fellowship…

Do you want to promote the interests of students or staff? If you do, put yourself forward as a candidate for the University Council or the Faculty Council between 5 and 8 April. Two council members, PhD candidate Elisabeth Kerr and Law student Mante Kaaks, tell us about their experiences.

Software development is probably not the first thing that comes to mind when you think of a sociologist. Three years ago, John Boy began developing his software package Textnets. Because of Corona, he was less able to concentrate on writing scientific research and also setting up the online courses…

A truly special moment in the Senate Chamber of the Academy Building: the portrait of Professor Judi Mesman has been unveiled. 'Leiden University only reserves places in this chamber for its foremost scholars, and you are certainly one of them,' said Rector Magnificus Hester Bijl.

On Tuesday November 25, 2025, Prof. dr. Sarah Cramsey travelled with students from her masters seminar on “New Approached to the Holocaust in Central and Eastern Europe” taught at the History Institute to Amsterdam for a unique opportunity. There, Ms. Lotte Sophie Groenendijk, an alum of the History…

In 2025, our colleagues from the Institute of Psychology once again made a strong presence in the media. From (inter)national newspapers to podcasts, discover where they shared their expertise in the media this year.

Recently, Jaap van den Herik, professor emeritus Law and IT, was interviewed by the BNVKI (Benelux Association for Artificial Intelligence).

Kenan van de Mieroop recently joined the Institute for History as Assistant Professor. Below, he introduces himself.

Organisation

Organisation

Technological developments never stop. Machines can already perform many tasks and in the future they will probably take over even more of the work we do. Which jobs could disappear and which will remain in the future? Olaf van Vliet, Professor of Economics at Leiden Law School, commented on these issues…

The second quantum revolution is in full swing, bringing all kinds of new technologies to within reach, and offering many opportunities as well as challenges. Leiden and Delft decided to join forces.

Heritage Quest is a large-scale citizen science project in the field of archaeology that allows anyone to contribute to scientific research. It is the first large-scale archaeological citizen science project in The Netherlands and one of the few of its kind in the world. As part of the Cultural Heritage…

Dr Mark Leiser, Assistant Professor at eLaw, and Wen-Ting Yang, former Law And Digital technologies student, won the Best Paper award at BILETA, the United Kingdom’s largest tech and legal education conference.

A course that concludes with a video pitch, instead of a paper or examination: Italian Language and Culture students each recorded their own knowledge clip, speaking to a wide audience about Italian cultural expressions. We asked Goran Bouaziz, Cameron-May Bosch and Katja Timmer what they thought of…

Sustainable biotechnology, new insights into genome evolution and combining forces in mathematics. The NWO has awarded grants to these three innovative Leiden research projects in the ENW-M Open Competition.

Lydie Cabane, Assistant Professor at ISGA, has written an article in E-International Relations to discuss the key lessons from other crisis management domains to improve the EU response to pandemics.

Library, Research

ICT

Leiden University is pressing ahead with Open Science and Recognition & Rewards! This is the key message of the new Academia in Motion steering group.

Through Kiem, Leiden University is providing 25 annual seed grants between 2024 and 2026 to develop new interdisciplinary (interfaculty) teaching/research collaborations and encounters.

The Faculty Board awarded 16 starter grants to young assistant professors for their research proposals.

In the Netherlands it is now possible to visit non-essential shops if you make an appointment beforehand. But when you book an appointment you have to provide a lot of personal data. Are shops allowed to ask you for all this data and what happens to it?

The Dutch police force has been deliberately storing personal data relating to millions of Dutch people for many years now. In doing so, the institution has been knowingly breaking the law. Bart Schermer, Professor of Law and Digital Technology expressed his concerns on Follow the Money – a platform…

A ‘world class institute’ with a ‘vibrant atmosphere’, doing research on a continent that is ‘becoming increasingly important’. That is how Annetje Ottow, president of Leiden University’s Executive Board, described the African Studies Centre Leiden (ASCL) on its 75th anniversary celebration on 8 September…

Organisation, Security

Leiden University opened the doors of its new Living Room on Thursday 16 February. The Living Room is a home from home where Dutch and international students can relax and meet others and is a strictly no-study zone.

The 16-year-old girl was staying in a closed juvenile care institution where, among other things, she was administered 'pain stimuli'. The charges are the first of their kind, says Mariëlle Bruning, Professor of Children and the Law, to Dutch newspaper the Volkskrant.

Organisation

Leiden University’s Annual Report 2021 has been published. In this report, which consists of a general section and a financial section (the financial statements), the University provides a record of its research, teaching, knowledge transfer, operational management and policies in that year.

Many children have an unhealthy diet and do not get enough exercise. Sanne de Vries wants to help everyone get a healthy start in life.

Poama and Theuns co-wrote an opinion piece on why voting in prison should be mandatory worldwide. It appeared on National Interest's website on February 12.

As every academic year, the leadership team of the Young Academy Leiden (YAL) is changing. Sarah Giest, Assistant Professor at the Institute of Public Administration, will be the new Vice-Chair. Annemarie Samuels, Asssociate Professor at Social Sciences, will be the new Chair. The Young Academy Leiden…

Tahir Abbas, Associate Professor in Terrorism and Political Violence at ISGA, explained how polarisation and social exclusion were at the root of radicalisation around the world. Papers ‘The News’ and ‘Dawn’ wrote articles about it.